Another piece of supporting evidence: https://www.medicalnewstoday.com/articles/growing-up-with-a-dog-might-protect-against-crohns-disease#:~:text=Researchers%2

Another piece of supporting evidence: https://www.medicalnewstoday.com/articles/growing-up-with-a-dog-might-protect-against-crohns-disease#:~:text=Researchers%20observed%20that%20individuals%20who,the%20risk%20of%20Crohn's%20disease https://www.medicalnewstoday.com/articles/growing-up-with-a-.... Those that grow up with dogs may be less likely to develop Crohn's. Dogs have been shown to increase the strength of a child's immune system.